''Ozomelis trifida'' is a species of flowering plant in the saxifrage family known by the common names threeparted miterwort and Pacific miterwort. It is native to western North America from

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, where it grows in wet wooded habitat types. It is a

rhizomatous In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

perennial herb growing up to about 45 centimeters tall. The leaves occur around the base of the stem. They have rounded blades up to 10 centimeters wide and lobed, round-toothed edges. The erect

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

bears up to 20 flowers, usually along one side of the stem. The distinctive flower is cup-shaped with five white or violet-tinged petals which are usually, but not always, divided into three lance-shaped lobes.

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Jepson Manual TreatmentPhoto gallery
Saxifragaceae Flora of Alaska Flora of Alberta Flora of British Columbia Flora of California Flora of Idaho Flora of Montana Flora of Oregon Flora of Washington (state) Plants described in 1829 Flora without expected TNC conservation status {{Saxifragaceae-stub